export default {
	"title": '微机原理及接口技术-在线作业1',
	"testId": '58829',
	"praxiseList": [
		{
			"id": 77354,
			"title": "设字长为8位，已知[X]补=E5H，则X=(               )。",
			"options": "[\"“ -1BH\",\"-65H\",\"-9BH\",\"–E5H\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77355,
			"title": "PC系列机中，有符号数是用（           ）表示的。",
			"options": "[\"原码\",\"反码\",\"BCD码\",\"补码\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77356,
			"title": "在计算机内部，一切信息的存取、处理和传送都是以（    ）形式进行的。",
			"options": "[\"ASCII码\",\"十六进制编码\",\"EBCDIC码\",\"二进制编码\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77357,
			"title": "若把组成计算机中的运算器和控制器集成在一块芯片上称为(    )。",
			"options": "[\"单片机\",\"微处理器\",\"单板机\",\"微型计算机\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77358,
			"title": "对处理器而言，数据总线和地址总线的方向通常分别为(    )。",
			"options": "[\"输入和输出\",\"单向\",\"双向和输出\",\"双向\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77359,
			"title": "所谓微机的字长是指（    ）。　",
			"options": "[\"CPU外部数据总线的位数\",\"CPU中运算器一次能处理二进制数的最大位数\",\"CPU地址总线的位数\",\"CPU内部数据总线的位数\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77360,
			"title": "程序设计中所使用的地址是（    ）。",
			"options": "[\"有效地址\",\"段基址\",\"逻辑地址\",\"物理地址\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77361,
			"title": "控制器的功能是（    ）。",
			"options": "[\"完成算术和逻辑运算\",\"从主存取出指令并完成指令操作码译码\",\"从主存取出指令、分析指令并产生有关的操作控制信号\",\"产生时序信号\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77362,
			"title": "80X86微处理器中的 BX是（    ）。",
			"options": "[\"基数寄存器\",\"基址寄存器\",\"计数寄存器\",\"变址寄存器\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77363,
			"title": "32位处理器的工作模式不包含（       ）模式。",
			"options": "[\"嵌入\",\"保护\",\"虚拟86\",\"实地址\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77364,
			"title": "设BUF是变量，指令MOV AL, BUF中源操作数的寻址方式是（           ）。",
			"options": "[\"直接寻址\",\"寄存器寻址\",\"间址寻址\",\"立即寻址\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77365,
			"title": "已知BX=3000H，SI=2345H, 则指令MOV AL, [BX+SI+3]中源操作数是(       )。",
			"options": "[\"数据段偏移地址是5348H的字节单元。\",\"堆栈段偏移地址是5348H的字节单元。\",\"数据段偏移地址是32348H的字节单元\",\"数据段偏移地址是5345H的字节单元\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77366,
			"title": "指令SUB   CX, [BX+2]的源操作数的寻址方式是（    ）。",
			"options": "[\"寄存器寻址\",\"基址寻址\",\"间址寻址\",\"变址寻址\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77367,
			"title": "汇编语言程序中的标号代表(     )。",
			"options": "[\"指令地址\",\"变量地址\",\"常数\",\"返回指令\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77368,
			"title": "逻辑地址2F34H:02F6H表示的存储单元的物理地址为（   ）H。",
			"options": "[\"2F636H\",\"322AH\",\"2F340H\",\"2F3402F6H\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77369,
			"title": "设实模式下,DS=1300H，SS=1400H，BP=1500H，SI=0100H。则指令“MOV AX， [BP+SI-200H]”的源操作数的物理地址为（    ）。",
			"options": "[\"15800H\",\"14800H\",\"15400H\",\"14400H\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77370,
			"title": "指令MOV AL, ES:[BP+3]中源操作数所寻址的逻辑段为是(       )。",
			"options": "[\"代码段\",\"数据段\",\"附加段\",\"堆栈栈\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77371,
			"title": "在汇编语言源程序中，下列（  ）汇编时汇编为机器指令。",
			"options": "[\"伪指令\",\"符号指令\",\"宏指令\",\"机器指令\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77372,
			"title": "指令MOV [BX+1],AL目标操作数、源操作数的寻址方式分别是（            ）。",
			"options": "[\"变址寻址，寄存器间接\",\"寄存器间接寻址，寄存器寻址\",\"基址寻址，寄存器寻址\",\"寄存器寻址，寄存器寻址\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77373,
			"title": "使以DI间接寻址的存贮单元内容加1的指令是（     ）。",
			"options": "[\"INC BYTE PTR [DI]\",\"INC DI\",\"INC [DI]\",\"ADD [DI],1\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77374,
			"title": "鼠标器按工作原理分可有___几种",
			"options": "[\"机械式\",\"磁电式\",\"光电式\",\"光机式\",\"电磁式\"]",
			"answer": "[1,3]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77375,
			"title": "通过ISP接入的方式包括___",
			"options": "[\"专线接入\",\"ADSL\",\"铁通\",\"拨号接入\",\"USB\"]",
			"answer": "[1,2,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77376,
			"title": "计算机网络的主要功能是___。",
			"options": "[\"数据通信\",\"提高计算机的可靠性和可用性\",\"易于进行分布处理\",\"资源共享\",\"更加安全\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77377,
			"title": "计算机的存贮系统是由___及管理这些存储器的软件组成",
			"options": "[\"硬盘\",\"光盘\",\"缓存\",\"主存\",\"辅存\"]",
			"answer": "[3,4,5]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77378,
			"title": "计算机的发展趋势可用“四化”来表示,分别为（）",
			"options": "[\"巨型化\",\"微型化\",\"网络化\",\"智能化\",\"迷你化\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77379,
			"title": "计算机的发展经历了（）时代，一下说法错误的是",
			"options": "[\"1\",\"2\",\"3\",\"4\"]",
			"answer": "[1,2,3]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77380,
			"title": "计算机病毒都存在着共同的危害,如___。",
			"options": "[\"占用CPU时间\",\"占用内存开销\",\"降低系统工作效率\",\"破坏数据和文件\",\"破坏CMOS信息\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77381,
			"title": "计算机病毒的主要特征有___。",
			"options": "[\"破坏性\",\"传染性\",\"可触发性\",\"潜伏性\",\"爆发性\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77382,
			"title": "计算机病毒来源主要有___",
			"options": "[\"恶作极者\",\"保护版权的软件商\",\"想报复别人的人\",\"怀有不可告人的政治、经济等目的\",\"计算机发烧友\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77383,
			"title": "计算机病毒按照传播方式可分为___",
			"options": "[\"DOS病毒\",\"可执行文件型病毒\",\"Windows病毒\",\"电子邮件病毒\",\"恶意代码病毒\"]",
			"answer": "[2,4,5]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 77384,
			"title": "实地址模式下80486可以直接访问的内存单元为1MB，一个逻辑段为1MB。",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77385,
			"title": "MOV　SI，EBX指令正确",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77386,
			"title": "CS段寄存器程序员是不能赋值的。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77387,
			"title": "汇编语言源程序可以没有数据段，也可以没有堆栈段。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77388,
			"title": "锁存器可以用作简单的输出接口。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77389,
			"title": "三态缓冲器可以用作简单的输出接口。",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77390,
			"title": "中断优先级是指：当有多个中断源在同一时刻提出请求时，CPU对中断响应的次序。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77391,
			"title": "根据中断源的不同，中断可以分为硬件中断和软件中断两大类。",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77392,
			"title": "为了区别不同的中断，微机系统给每一个中断分配了一个中断号n,即中断类型码，其取值范围是0~255。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 77393,
			"title": "利用系统日时钟中断源设计定时程序时，其定时周期等于55ms或55ms整数倍时，可以定义用户中断程序的定时操作为1CH型中断，也可以为08H型中断。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-03-01 14:23:20",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		}
	]
}